/Engine/Plugins/Developer/Concert/ConcertMain/Source/Concert/Public/ConcertMessages.h
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)() struct FConcertAdmin_GetSessionActivitiesResponse : public [FConcertResponseData](API\Plugins\ConcertTransport\FConcertResponseData)
TArray<FConcer...
Activities
The list of activities.
TMap<FGuid,FC...
EndpointClientInfoMap
Maps each activity endpoint to its client info.